CN204012600U - 500kV booster stations line steel tower double loop inlet wire increases the alternate structure with electrical distance of downlead - Google Patents
500kV booster stations line steel tower double loop inlet wire increases the alternate structure with electrical distance of downlead Download PDFInfo
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- CN204012600U CN204012600U CN201420418985.5U CN201420418985U CN204012600U CN 204012600 U CN204012600 U CN 204012600U CN 201420418985 U CN201420418985 U CN 201420418985U CN 204012600 U CN204012600 U CN 204012600U
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Abstract
A kind of 500kV booster stations line steel tower double loop inlet wire increases the alternate structure with electrical distance of downlead, comprise and overlap the outlet lattice door type framework on electric main road and the reserved outlet door type framework of overlap joint reserved transmission circuit, electric main road is crossed downlead with reserved transmission link tester and is connected GIS power distribution equipment outside 500kV room, wherein outside the downlead on any two-phase electric main road and 500kV room, between GIS power distribution equipment, post insulator is installed.The utility model is by installing post insulator additional between GIS power distribution equipment outside the downlead on electric main road and 500kV room, by post insulator, adjust downlead direction, for the complete line steel tower of constructing, the alternate band electrical distance of downlead of transmission line is met the demands, compare at alternate circuit phase insulation that installs additional of the downlead with electrical distance anxiety, the utility model investment is little, and security reliability is high.
Description
Technical field
The utility model relates to a kind of incoming line structure of booster stations steel tower, and being specifically related to a kind of 500kV booster stations line steel tower double loop inlet wire increases the alternate structure with electrical distance of downlead.
Background technology
500kV booster stations are the outdoor GIS high voltage distribution installation of double bus scheme, its outlet door type framework hanging wire point absolute altitude is+34.5 meters, and to be+24 meters, A phase hanging wire point absolute altitude be+47.5 meters for+35.3 meters, B phase hanging wire point absolute altitude to the C phase hanging wire point absolute altitude of 48 meters of outer double circuit line steel towers, through the approximate perspective view of wire and booster stations side downlead in double circuit line steel tower side shelves is adjusted, be wire and the approximate perspective view accounting of downlead in switching overvoltage shelves, wire and the approximate perspective view accounting of downlead in shelves when maximum working voltage and maximum design wind speed, by damping coefficient β=0.64 (shoot a retrievable arrow east. power engineering electrical design handbook 1[M]. the .1989:701 of China Electric Power Publishing House), wire and downlead windage yaw in shelves while adjusting maximum wind velocity, downlead A while finding switching overvoltage and windage yaw, B phase spacing does not meet the requirement of 4.3 meters, when occurring the bad weathers such as storm, wire is may moment in swing process very approaching even collides, when load current is enough large, adhesion will occur.
Utility model content
The purpose of this utility model is for above-mentioned defect of the prior art, provides a kind of 500kV booster stations line steel tower double loop inlet wire to increase the alternate structure with electrical distance of downlead.
To achieve these goals, the technical solution adopted in the utility model is: comprise and overlap the outlet lattice door type framework on electric main road and the reserved outlet door type framework of overlap joint reserved transmission circuit, electric main road is crossed downlead with reserved transmission link tester and is connected GIS power distribution equipment outside 500kV room, wherein outside the downlead on any two-phase electric main road and 500kV room, between GIS power distribution equipment, post insulator is installed.
Described downlead is special light section core aluminum stranded wire.
Between described downlead and transmission line, be provided with four change two wire clamps.
Two cracking separation rods are installed on described downlead.
The downlead position on described electric main road is by high and low B phase, A phase, the C phase of being followed successively by; Any two-phase that is provided with post insulator refers to A, C phase, between the downlead of electric main road A, C phase and post insulator, by two soft bus fixing clampers, be connected, the downlead of electric main road B phase is directly connected with GIS power distribution equipment outside 500kV room by device clamp.
Described post insulator is 550kV outdoor solid core post insulator.
Described outlet lattice door type framework hanging wire point absolute altitude is+34.5 meters; B phase conductor strain insulator string hanging wire point absolute altitude apart from 48 meters of outlet lattice door type framework center lines is+47.5 meters; A phase conductor strain insulator string hanging wire point absolute altitude apart from 48 meters of outlet lattice door type framework center lines is+35.3 meters; C phase conductor strain insulator string hanging wire point absolute altitude apart from 48 meters of outlet lattice door type framework center lines is+24.0 meters.
Compared with prior art, the utility model is by installing post insulator additional between GIS power distribution equipment outside the downlead on electric main road and 500kV room, by post insulator, adjust downlead direction, for the complete line steel tower of constructing, the alternate band electrical distance of downlead of transmission line is met the demands, compare at alternate circuit phase insulation that installs additional of the downlead with electrical distance anxiety, the utility model investment is little, and security reliability is high.
Accompanying drawing explanation
Fig. 1 section of the present utility model is arranged schematic diagram;
Fig. 2 floor plan schematic diagram of the present utility model;
In accompanying drawing: GIS power distribution equipment outside 1.500kV room; 2. downlead; 3. pair cracking separation rod; 4. four become two wire clamps; 5. device clamp; 6. wire tension-resistant insulator string; 7. overhead ground wire; 8. outlet lattice door type framework; 9. reserve outlet door type framework; 10. post insulator; 11. pairs of soft bus fixing clampers.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1,2, the utility model comprises and overlaps the outlet lattice door type framework 8 on electric main road and the reserved outlet door type framework 9 of overlap joint reserved transmission circuit, electric main road is crossed downlead 2 with reserved transmission link tester and is connected GIS power distribution equipment 1 outside 500kV room, between downlead 2 and transmission line, being provided with model is that four of JTY-2/4-300/40-1400 becomes two wire clamps 4, downlead 2 is special light section core aluminum stranded wire LGJQT-1400, and on downlead 2, being provided with model is two cracking separation rods 3 of SJ-51/400; Downlead 2 positions on electric main road are by high and low B phase, A phase, the C phase of being followed successively by; A, C are provided with post insulator 10 mutually, post insulator 10 adopts 550kV outdoor solid core post insulator ZSW-550/10K-3, the two soft bus fixing clamper 11 that is MSG-51/400-250 by model between the downlead 2 of electric main road A, C phase and post insulator 10 is connected, and the device clamp 5 that the downlead 2 of electric main road B phase is SSY-1400/400B-160X160 by model is directly connected with GIS power distribution equipment 1 outside 500kV room.
550kV outdoor solid core post insulator ZSW-550/10K-3 is 22814 with reference to western porcelain this code name of pressing in 2005, key dimension height H=4400 millimeter, D=340 millimeter, top installation dimension is 8 * φ 18-φ 254 (matching with two soft bus fixing clamper MSG-51/400-250), bottom installation dimension is 8 * φ 18-φ 325, nominal creep distance is 13750 millimeters (meeting 25 millimeters/kV*550kV), mechanical damage bend loading is not less than 10KN, mechanical damage torque load is not less than 10KNm, weight 526kg.
The top of outlet lattice door type framework 8 is provided with overhead ground wire 7, and outlet lattice door type framework 8 hanging wire point absolute altitudes are+34.5 meters; B phase conductor strain insulator string 6 hanging wire point absolute altitudes apart from 48 meters of outlet lattice door type framework 8 center lines are+47.5 meters; A phase conductor strain insulator string 6 hanging wire point absolute altitudes apart from 48 meters of outlet lattice door type framework 8 center lines are+35.3 meters; C phase conductor strain insulator string 6 hanging wire point absolute altitudes apart from 48 meters of outlet lattice door type framework 8 center lines are+24.0 meters.
It is as follows that the charged safety net distance of the utility model maximum operating voltage 550kV part when 192 meters of height above sea level is pressed BIL=1550kV arrangement parameter:
Live part between grounded part, netted cover bar extends upward the A1=3800mm between live part above 2.5m place, line-spacing ground and cover bar;
2. between out of phase live part, the A2=4300mm between circuit breaker and isolating switch fracture both sides lead-in wire live part;
3. during equipment conveying, its gabarit to without between cover bar live part, intersect different time interruption maintenance without between cover bar live part, palisade cover bar is to the live part between insulator and live part, during live line working to the B1=4550mm between grounded part;
4. netted cover bar is to the B2=3900mm between live part;
Without cover bar bare conductor between ground, without cover bar bare conductor to the C=7500mm between building, structures top;
Parallel when different interruption maintenance without the D=5800mm between cover bar live part, between the edge part of live part and building, structures.
The utility model is by installing post insulator additional between GIS power distribution equipment outside the downlead on electric main road and 500kV room, by post insulator, adjust downlead direction, for the complete line steel tower of constructing, the alternate band electrical distance of downlead of transmission line is met the demands, compare at alternate circuit phase insulation that installs additional with electrical distance anxiety, the utility model investment is little, and security reliability is high.
Claims (7)
1. a 500kV booster stations line steel tower double loop inlet wire increases the alternate structure with electrical distance of downlead, it is characterized in that: comprise and overlap the outlet lattice door type framework (8) on electric main road and the reserved outlet door type framework (9) of overlap joint reserved transmission circuit, electric main road is crossed downlead (2) with reserved transmission link tester and is connected GIS power distribution equipment (1) outside 500kV room, wherein outside the downlead (2) on any two-phase electric main road and 500kV room, between GIS power distribution equipment (1), post insulator (10) is installed.
2. 500kV booster stations line steel tower according to claim 1 double loop inlet wire increases the alternate structure with electrical distance of downlead, it is characterized in that: described downlead (2) is special light section core aluminum stranded wire.
3. 500kV booster stations line steel tower according to claim 1 and 2 double loop inlet wire increases the alternate structure with electrical distance of downlead, it is characterized in that: between described downlead (2) and transmission line, be provided with four change two wire clamps (4).
4. 500kV booster stations line steel tower according to claim 1 and 2 double loop inlet wire increases the alternate structure with electrical distance of downlead, it is characterized in that: two cracking separation rods (3) are installed on described downlead (2).
5. 500kV booster stations line steel tower according to claim 1 and 2 double loop inlet wire increases the alternate structure with electrical distance of downlead, it is characterized in that: downlead (2) position on described electric main road is by high and the low B of being followed successively by phase, A phase, C phase; Any two-phase that is provided with post insulator (10) refers to A, C phase, between the downlead (2) of electric main road A, C phase and post insulator (10), by two soft bus fixing clampers (11), is connected, the downlead (2) of electric main road B phase passes through device clamp (5) and is directly connected with GIS power distribution equipment (1) outside 500kV room.
6. 500kV booster stations line steel tower according to claim 5 double loop inlet wire increases the alternate structure with electrical distance of downlead, it is characterized in that: described post insulator (10) is 550kV outdoor solid core post insulator.
7. 500kV booster stations line steel tower according to claim 1 double loop inlet wire increases the alternate structure with electrical distance of downlead, it is characterized in that: described outlet lattice door type framework (8) hanging wire point absolute altitude is+34.5 meters; B phase conductor strain insulator string (6) hanging wire point absolute altitude apart from 48 meters of outlet lattice door type framework (8) center lines is+47.5 meters; A phase conductor strain insulator string (6) hanging wire point absolute altitude apart from 48 meters of outlet lattice door type framework (8) center lines is+35.3 meters; C phase conductor strain insulator string (6) hanging wire point absolute altitude apart from 48 meters of outlet lattice door type framework (8) center lines is+24.0 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420418985.5U CN204012600U (en) | 2014-07-28 | 2014-07-28 | 500kV booster stations line steel tower double loop inlet wire increases the alternate structure with electrical distance of downlead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420418985.5U CN204012600U (en) | 2014-07-28 | 2014-07-28 | 500kV booster stations line steel tower double loop inlet wire increases the alternate structure with electrical distance of downlead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012600U true CN204012600U (en) | 2014-12-10 |
Family
ID=52052543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420418985.5U Active CN204012600U (en) | 2014-07-28 | 2014-07-28 | 500kV booster stations line steel tower double loop inlet wire increases the alternate structure with electrical distance of downlead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204012600U (en) |
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2014
- 2014-07-28 CN CN201420418985.5U patent/CN204012600U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA Free format text: FORMER NAME: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP03 | Change of name, title or address |
Address after: 22 No. 710075, unity South Road, hi tech Industrial Development Zone, Shaanxi, Xi'an Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Address before: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation |